Emergency signalling sleeve to be worn on the arm



FIG. 1 is an elevation view in a flattened condition of an emergency signalling sleeve to be worn on the arm of this invention, the opposing side being a mirror image of that shown;

FIG. 2 is a perspective view thereof illustrating the manner of use of the design, with the broken line showing for illustrative purposes only and forming no pat of the claimed design;

FIG. 3 is a further perspective view thereof; and,

FIG. 4 is a reduced elevation view thereof showing the manner of use of the design. 

The ornamental design for an emergency signalling sleeve to be worn on the arm, as shown and described. 